Maytag Dishwasher Error UO

⚡ Quick Answer: The Maytag dishwasher error code UO typically indicates a drainage issue, which may be accompanied by unusual sounds from the pump or a failure to com... ✅ DIY Fixable

What Does Error UO Mean?

The Maytag dishwasher error code UO typically indicates a drainage issue, which may be accompanied by unusual sounds from the pump or a failure to complete the wash cycle. While specific causes and symptoms for this code are not well-documented, it's essential to ensure your dishwasher is functioning correctly to prevent further problems.

Possible Causes

  • Blocked drain filter
  • Faulty drain pump
  • Kinked drain hose

How to Fix Error UO

DIY Fix Verify code accuracy and consult Maytag resources

  1. Check your dishwasher’s exact model number to confirm the displayed code — Maytag error codes are typically shown as F‑codes or specific numeric codes and documented in the manual or service literature.
  2. Locate and review the official Maytag user manual or error code list for your exact model via Maytag support.
  3. Contact Maytag Support or schedule service through official channels if the code persists and is not listed.
  4. Capture a photo of the display and symptoms to provide support personnel for accurate diagnosis.
🛑 When to Call a Pro:
  • If you cannot identify the error code in official Maytag documentation.
  • If the dishwasher is displaying erratic behavior and official resources do not list 'UO'.
  • If water leakage, electrical issues, or safety concerns arise during operation.

Next step

Choose the next step for UO

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Other parts options

Check related components first; use model search as a fallback.

Possible related component

Drain Hose

Carries waste water from the drain pump to your home's standpipe or sink drain.

$15 - $30 · Easy · 15-30 mins

Check fit & price
Model number required

Model-compatible Dishwasher parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Dishwasher Cleaner and Descaler

Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.

View maintenance supply
Maintenance supply

Braided Dishwasher Inlet Hose

For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.

View maintenance supply

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Technical Specifications

note The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering.
part_number None

Common Questions

What does UO error mean on Maytag dishwasher?

The UO error may indicate a drainage issue, potentially causing unusual sounds and preventing the wash cycle from completing.

Can I fix Maytag dishwasher UO error myself?

Yes, verify the code accuracy by checking your model number and consulting the user manual. If the issue persists, contact Maytag support.

How much does it cost to fix UO error?

Repair costs for the UO error can vary by model and region, so it's best to consult local service providers for estimates.

When should I call a technician for UO?

Call a technician if you cannot find the error code in official documentation, if the dishwasher behaves erratically, or if safety concerns arise.

Sources & References

Data last verified: 2026-07-31

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